- Perennial warm-season grass.
- Also commoly called "Nutgrass".
- Rapidly mutliplying perennial sedge with three basal leaves.
- Slender, triangular, light green stems up to 24 inches tall.
- Plants reproduce by seeds, rhizomes, but primarily by tubers (nuts).
Yellow Nutsedge
- Leaf blades are deeply grooved, ususally shorter than flowering stem.
- Basal leaves with yellowish-brown or straw colored seedhead.
- Leaves have sharp pointed "hypodermic" tip.
- Tubers are round, lacking hairs, and formed at ends of whitish rhizomes; individual tubers (no chain of tubers).
- Some tubers are sweet to taste.
Purple Nutsedge
- Leaf blades are deeply grooved, ususally as long or longer than flowering stem.
- Basal leaves with purple to reddish-brown seedhead.
- Leaves have tapered tip.
- Tubers are oblong, covered with hairs, and found in chains connected by brown, wiry rhizomes.
- Tubers bitter to taste.
Control Methods
- Hand Removal or Hoeing.
- Herbicides:
- Postemergence - bentazon, MSMA / DSMA*, imazaquin **,
* MSMA / DSMA kills centipede and St. Augustine grass.
** Calibration is critical to avoid over application and turf injury.
Do not use within the root zone of desirable trees and shrubs.
Always Read the Label
|
Yellow Nutsedge, left;
Purple Nutsedge, right.
Yellow Nutsedge has a yellowish-brown
or straw colored seedhead.
Rhizomes end in "nuts |
